pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.75	IUPAC digitized pKa	0	-1	[NH3+]CS(=O)(=O)[O-]	NCS(=O)(=O)[O-]	mol5281	NCS(=O)(=O)O